Valve for spraying-machines.



VLLVIE FOP, SPRAYNGr-MACIINES.

Specification of Letters Patent.

illatented Apr, i235, litri Application filed March 27, 1914. Serial No.827,752.

To all whom it may concern.

Be it known that l, JAY W'nioox, a citizen of the United States,residing at Grand Rapids, inthe county oi? Kent and State oflllliehigan, have ,invented certain new and useful llmprovements inValves for Spray ing-Machines, of which the following' is aspecification.

My invention relates te improvements in valves for use on'sprayingmachines, and its objects are, first, to provide a valve with which aneven pressure may be insured at the nozzle, :1nd,lsecond, to'provide ameans whereby the valve will drain itself at a given pressure, and willdrain-'all sediment from the' receiving` chamber so there will be nodanger of eementingg` the valve in its seat by `the accumulation oi'sediment around the Ell valve.y ll attain these objects by the `mechanisin and yconstruction shown in the accom'- panying drawing, in which-Figure 1 is a vertical lsection olf the valve practically on the line a::1: of Fig. 2. llig. 2 is an elevation of the barrels of the valveassembled and'in condition 'lor use and Fig. a section ofthe valvesshowing the man ner of connecting them with the connecting rod; v

Similar numerals reiter 'to similar parts throughout the several Iviews.

ln the construction oi this valve l, make use of -`two barrels orchambers `1 and 2.,'

'.lhese barrels may be connected by any available i'm'm'o't' coupling,but l prefer that the Jform shown in the drawing be used, as the actionis `more direct. the expense reduced to the minimum, and the etliciencyis raised to the maximum. l represents tbe receiving barrel and thespraying material is supposed to be forced into this chamber through thepipe or opening C when it is forced upward through the noch' or coupling3, past the valve 4 into the barrel or chamber 2, and thence through theopening' or pipe 7 to the spraying tube, not here shown, as it forms nodirect part oi" the invention herein desired to have covered. 'l`he pipe12, that extends downward trom the barrel 1 is open its entire lengthbutis provided with a valve 5 that is held firmly in place bythepressure of the epravixu;` material in the Darrel 1, and the valve 4 isas firmly seated by pressure in the barrel 2, caused b v forcing it intosaid barrels faster than it can he forced ont oi the spraying-tube.

The barrel 2 is made open at the upper end and a diaphragm 14 is placedin position, as indicated, and held in place against the pressure in thebarrel by any available means, as, i'or instance., a ring, 13, anchoredin the top ol the barrel and held in place b v the girder 8, or othersuitable means.

'lhe diaphragm la performs a double service, lirst, to regulate thepressure in the barrel Q, and, second, to actuate the rods that raisethe valve 5 to reduce the pressure insaid barrel and allow sediment toiow out. it is necessary to adjust the dia* phragm to sustain dilerentpressures in the chamber, l pass a bolt 1l through the girder S andpiave a spring 10 between the end of this bolt and the surface of thediaphragm, aronndthe standard 15, so that greatelwor less pressure maybe exercised upon the upper surface oi? the diaphragmfas may benecessary to maintain the desired pressure at the nozzle, or in 'thechamber The holt 11 is hollow so the standard. l5. xnayfpass throughfreely, and the rods 9. are sup ported on its upper end so that yanymovement of the standard, verticaliy,v hy the movement of the diaphragm,is con1municated to the rods il. upward at the lower ends, and passupward in the drain pipe l2 in position to he made to raise the valve:'i as the diaphragm is forced upward b v the pressure within thechamber 2, thus, when the pressure in the chamber 2 has been raisedabove the capacity of the spraying' pipe the .liaphragm 1d will beforced upward and the valve 5 ,will he raised so that any sediment inthe lower clialnber, 1, may flow out through the pipe ,I2 into thesupply tank, or other desired receptacle, and at the same time thepressure in the barrels will reduce until. the diaphragm will assume itsnormal position reseating the 'alve 5 and causing* the inflow ot'material into the chamber l to again hold and increase the-pressure inthe barl rels, as desired or necessary.

When the pumps are idle and all pressure removed from the chambers therods Sl may be raised upward and the valve 5 released or raised from itsseat so that all the contents oi the chamber l may 'loW out, and, ifdesired, the valves may lee drilled to a given depth and a r` l 1.6 apipliedF in such a manner that lsf raistngg the lower valve, 5, a littleYher than the phragm would haturallj raise it the up;c Valve, el, willhe raised from its seat so l;

These rods are leent' iilti till i i idle' ,chamber 2 may be drained.This is done by raising the rods 9 independent of then diaphragm, whichmay be done by hand after the chamber l.

One `of the main advantages gained by my construction is that'l do awaywith all,

necessity for packing any single feature iii the device, this beingbrought about by placing the actuating rods 9 outside of the barrels andthen bending the lower ends upward and passing them through therpipe 12in such a manner that they will raise the valve when the diaphragm ismade to moveupward. It will be readily understood that with packingaround actuating rods,

valves, &c., the sedimentthat settles from the spraying material willsoon become hard andv adhere to the several parts th'atare packed, andrender the machine inoperative while with my^machine this is impossible-as I amenabledtp drain all sediment out of the machine and hold allparts free for im# mediate ilse withoutfthe necessity of openin andcleaning.'

he lower end of the rodl6 is securely connected w th the valve 5, andthe upper end of said rod is loosely fitted inf the opening a in theupper valve, 4,*with ysome distance between the end of the|,lod and theY top of the opening when both Valves are ceiving barrel and a dischargebarrel,a

check valve in each barrel, and a diaphragm in the discharge barrel,with a regulating device connected with the diaphragm, rods pressure hasescaped from the' arranged to be actuated by the diaphragm, andextending downward outside of the -valve barrelswith Ithe ends extendingupward to be made to raise the check valve in thereceiving barrel as thecenter of the diaphragm is forced upward.

2, lncombination with a receiving barrel, the discharge barrel, thdiaphragm and i check valves of a valve or spraying machines, a girderabove the diaphragm, a hollow bolt passing through .said girder, a

standard passing through said bolt and rest 'ard and extending downwardoutside-of the barrels and then bent upward to pass up into the pipe andactuate the valve from theV movements of the diaphragm.

3. In combination with the receivin barrel, the discharge barrel, acheck va ve each barrel, the diaphragm, and a regulatping device for thediaphragm with a pipe extending downward from the receiving barrel, rodssup orted to be actuated by the movements of t c diaphra and extendin'gdownward outside of ig barrels with the lower ends bent and extendin 1.1ward to position to actuate the valve 1n tie receiving barrel with themovements of the diaphragm and a rod extendi'n I loosely-into the ballin the receiving barre und extending upward and into a hole in the valvein the discharge barrel yso that both valves muy bediaisedsimultaneously with the actuating ro Signed at' Grand Rapids MichiganMarch 21, 1914.

JAY WILCOX.

`I. J. CmLnY,

